參數(shù)資料
型號(hào)： MAX7490
廠商： Maxim Integrated Products, Inc.
英文描述： Dual Universal Switched-Capacitor Filters
中文描述： 雙路、通用開(kāi)關(guān)電容濾波器
文件頁(yè)數(shù)： 4/18頁(yè)
文件大小： 343K
代理商： MAX7490
M
Dual Universal Switched-Capacitor Filters
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FILTER
Center Frequency Range
f
O
Mode 1
0.001 to
40
kHz
Clock-to-Center Frequency
Accuracy
f
CLK
/f
O
Mode 1, R1 = R3 = 50k
, R2 = 10k
,
Q = 5, deviation from 100:1
±
0.2
±
0.7
%
Q Accuracy
Mode 1, R1 = R3 = 50k
, R2 = 10k
,
Q = 5
±
0.2
±
2
%
f
O
Temperature Coefficient
Q Temperature Coefficient
DC Lowpass Gain Accuracy
±
1
±
5
±
0.1
±
3
±
4
±
4
-60
ppm/
°
C
ppm/
°
C
%
Mode 1, R1 = R2 = 10k
DC offset of input inverter
DC offset of 1st integrator
DC offset of 2nd integrator
f
IN
= 10kHz
±
0.5
±
12.5
±
15
±
25
V
OS1
V
OS2
V
OS3
DC Offset Voltage
(Figure 8)
mV
Crosstalk (Note 2)
dB
Input: COM externally driven
V
DD
/2
- 0.1
V
DD
/2
V
DD
/2
+ 0.1
COM Voltage Range
V
COM
Output: COM internally driven
V
DD
/2
- 0.1
V
DD
/2
V
DD
/2
+ 0.1
V
Input Resistance at COM
Clock Feedthrough
R
COM
60
80
200
120
k
Up to 5th harmonic of f
CLK
Mode 1, R1= R2 = R3 = 10k
,
LP output, Q = 1
μ
V
RMS
Noise (Note 3)
60
μ
V
RMS
Output Voltage Swing
Input Leakage Current at COM
CLOCK
Maximum Clock Frequency
0.2
V
D D
- 0.2
±
10
V
SHDN
= GND, V
COM
= 0 to V
DD
±
0.1
μ
A
f
CLK
4
MHz
kHz
MHz
V
V
%
EXTCLK = GND, C
OSC
= 1000pF
EXTCLK = GND, C
OSC
= 100pF
95
135
1.35
175
Internal Oscillator Frequency
(Note 4)
f
OSC
Clock Input High
Clock Input Low
Clock Duty Cycle
SHDN
AND EXTCLK
Input High
Input Low
Input Leakage Current
V
DD
- 0.5
0.5
50
±
5
V
IH
V
IL
V
DD
- 0.5
V
V
0.5
±
10
V
INPUT
= 0 to V
DD
±
0.4
μ
A
ELECTRICAL CHARACTERISTICS
—
MAX7491
(V
DD
= EXTCLK = +3V, f
CLK
= 625kHz, T
A
= T
MIN
to T
MAX
, 10k
|| 50pF load to V
DD
/2 at LP_, BP_, and N_/HP_,
SHDN
= V
DD
, 0.1μF
from COM to GND, 50% duty-cycle clock input, COM = V
DD
/2. Typical values are at T
A
= +25
°
C, unless otherwise noted.) (Note 1)
相關(guān)PDF資料
PDF描述
MAX7491 Dual Universal Switched-Capacitor Filters
MAX7490-MAX7491 Dual Universal Switched-Capacitor Filters
MAX7491CEE SILICON CONTROLLED RECTIFIER,400V V(DRM),70A I(T),TO-209AA RoHS Compliant: Yes
MAX7490CEE Dual Universal Switched-Capacitor Filters
MAX7490EEE Dual Universal Switched-Capacitor Filters
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7490CEE 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490CEE+ 功能描述:有源濾波器 Dual Universal Switched-Cap RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490CEE+T 功能描述:有源濾波器 Dual Universal Switched-Cap RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490CEE-T 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490EEE 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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